Testimonials
See the opinions of students and educators just like you. Select from the following to learn more.
Why Students Love CK-12!
Take a look at what these students have to say about CK-12!
Wonderfull! like that it’s really to the point and precise. There’s lots of pictures and diagrams that are helpful when you are trying to learn.
My teacher made these textbooks, and it has everything that we need for this specific class.
It’s really accessible so it’s easy for the whole class to get on and we just go!
We use it every day because there’s something new that our teacher wants us to look at!
My CK-12 book is really nice because it has all of the information I need in it. Instead of hunting for all of the words and questions I have, it’s all there right in order
Comments from Students
You have helped gain me so many assignments with full distinctions
Kelly N.
CK-12 is off thee chart! I love using this tool in my chemistry classroom because it brings in a variety of perspectives and does progressive testing. A great tool for getting them ready for what NGSS is bringing down the pipeline.
Kelly M.
I use CK12 all the time in my science classes! It is a great summary of all the content, its in one location, and has all the media extras that keep students engaged. They really prefer CK12 to old school textbook assignments. I am teaching a marine scien
Kelli H.
ck-12 helped me to build my lesson plans.
kaur
I love the interactive links in the e-book. I have used the resource for reviews and absent students.
Katy W.
So many STEM resources at all grade levels available from ck-12!
Katy
Tutoring!
Katie A.
It's my first year in a new school, with a completely different curriculum structure than I'm used to teaching in biology, and my class did not come with any textbooks! For the first 2 months of school I would spend countless hours trying to combine diffe
Kathryn S.
I love cK12! I have used it in my high school science classes for 4 years now. I love how well the readings coordinate with the interactives and I love how I can integrate it into my Edmodo class pages as well. I REALLY love how I can find the same topic at different reading levels and in Spanish so that I can make sure every one of my students can learn science content and themes at any skill level.
Katie
It has helped my students learn
Comments from Educators
In the digital age I find have a paper textbook for a dynamic science world limiting and not budget wise. Thank you for making this service available! I find it very useful as a resource in my classroom.
Charles R.
teaching
bryant
Amazing resource! With so many statewide educational budget cuts, it has been extremely difficult to find quality teaching resources. cK-12 has filled that niche quite nicely! I would recommend this valuable site to anyone. Thanks!
Bryan H.
Ck12.org has helped each and every student who has come to our center. I was been a great experience for our students, as well as a enormous help for the teachers! CK12.org has made our learning journey easier and more exciting!!!
Bright Harbor Academy
Identify resources staff can use to develop relevant science curriculum
Brian A.
This is a great "go-to" site for my daughter and I when she is struggling with a new math concept and needs that extra help. Thanks cK-12!!
Brenda S.
helped me learn how to do my math better
Brady
CK12 has helped me assist others by allowing them to be a part of this learning initiative.
Boris A.
I LOVE YOU guys thank u very much i appreciate your efforts for helping students to learn their subjects.
Biswajit
Thankyou thankyou thankyou very much for providing these resources for free. ck-12.org is very great resource for students it is very helpful in schools and out of schools for self study.
Biswajit